Element block pseudo-class :active generated with box-sizing content-box border 0px rgba(0,0,0,1) solid line-height 1 padding 20px cursor default display block height auto font-size 16px z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none position static width 160px margin 0px transform border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition overflow hidden font-weight normal background